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Indigo,
Certified® Microscopy Grade
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Certified Microscopy Grade for Analytical, Synthesis, and
Research & Development:
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Not intended for animal or human diagnostic or therapeutic
use
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Don’t see what you’re looking for? Give us the opportunity to make it
happen!
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Certificate of Analysis and Material Safety Data
Sheets Available Upon Request
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Assay
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Current stock: 2075869CMG-0922-CL
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Appearance dark violet to purple powder; Assay (dye
content) 95%; Elemental analysis (carbon) 72.36% (hydrogen) 3.63% (nitrogen)
10.37%; Identification (FTIR spectra) conforms to structure and standard;
Suitability for hematology, histology, and indicator; UV-Visible spectrum
(0.01g/L; chloroform) E603nm=16,000, E286nm=24,000; Solubility 1mg/ml
pyridine;
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Beilstein Number
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88275
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Boiling
point
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400.4°C
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CAS
Number
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482-89-3
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Density
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1.417
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EINES Number
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207-586-9
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Flash
point
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158.2°C
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Formula’s
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C16H10N2O2
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Harmonized
Code
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3204.15.1000
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IUPAC Name
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2-(3-Hydroxy-1H-indol-2-yl)indol-3-one
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Melting point
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>300°C
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MDL Number
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MFCD00005722
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Molecular
Weight
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262.26
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Refractive index
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1.5800
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Solubility
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in
aniline, chloroform, glacial acetic acid, nitrobenzene, pyridine,
concentrated sulfuric acid (dissolves in nonpolar solvents with red color and
polar solvents blue color)
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Synonym(s)
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(2,2'-Biindoline)-3,3'-dione;
(2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one;
(Z)-[2,2'-Biindolinylidene]-3,3'-dione;
2-(1,3-Dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one;
2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one;
2-(3-Hydroxy-1H-indol-2-yl)indol-3-one; 207-586-9; 482-89-3; 88275; Blue No.
201; C.I. 73000; C.I. Vat Blue 1; C16H10N2O2; CI Pigment Blue 66; CI Vat Blue
1; D&C Blue No. 6; Diindogen; Indigo synthetic; Indigo J; Indigo N;
Indigo P; Indigo PLN; Indigo VS; Indigo natural; Indigo; Indigotin; Lithosol
Deep Blue B; Lithosol Deep Blue V; MFCD00005722; Monolite Fast Navy Blue BV;
Pigment Blue 66; Vat Blue 1; Vulcafix Blue R; Vulcafor Blue A; Vulcanosine Dark
Blue L; Vulcol Fast Blue GL; Vynamon Blue A;
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GHS (Accordance with 29
CFR 1910, OSHA HCS)
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Pictogram
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None
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Signal
Word
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Warning
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Statement(s)
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H315 Causes skin irritation. H319 Causes serious eye
irritation. H335 May cause respiratory irritation.
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Other
hazards
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None
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Recommendations
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Do not handle until all safety precautions have been
read (SDS) and understood.
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Storage
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General
I’s shelf
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NFPA
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2-0-0
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Package
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Compatible
HDPE or amber glass bottle
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TRANSPORTION INFORMATION
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US
DOT
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Not
dangerous goods
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